Brian Fuentes

Brian Fuentes has not been quite what the Oakland Athletics envisioned when they signed him to a two-year, $10 million contract with an option for a third year.

His 1-8 record and 4.82 ERA have been a disappointment, however he did pitch well for the team in save opportunities early in the season while Andrew Bailey was on the disabled list.

He has suffered from being misused by former manager, Bob Geren, but has still been ineffective in non-save situations throughout 2011.

A team looking for a closer down the stretch could be willing to take a chance on Fuentes, though. He has converted 12 of his 15 save opportunities and has a 3.50 ERA this season when pitching in save situations.

Matt Capps

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Matt Capps is in the final year of his contract and could find himself on the move if the Minnesota Twins continue to struggle and deem his services no longer necessary for the remainder of the season.

Capps has appeared in 37 games for the Twins so far this season, 21 of which have been in save situations.

He has saved 15 games while blowing six save situations.

Overall on the season he is 2-4 with a 4.42 ERA.

A team seeking a setup man capable of stepping up to fill the closer role when necessary will have a need for Capps if the Twins decide to place him on the trading block.

Joe Nathan

Joe Nathan is not having the best season of his career, that is for sure.

After missing the 2010 season, the righty is currently the owner of a 5.82 ERA and as many blown saves as successful saves, three apiece.

He has not reclaimed his role as the closer of the Twins, however there should be teams that would still believe that a change of scenery and a playoff race atmosphere is all Nathan needs to regain his former All-Star form.

He is the owner of 250 career saves and certainly has the experience a contender would want at the end of the game if he can turn his season around.

Michael Wuertz

Michael Wuertz, signed through 2012, has been one of the Athletics most reliable relievers the past three seasons.

So far this year, Wuertz has a 2.67 ERA in 28 appearances.

He is a solid arm in middle relief and as a setup man.

The A's may choose to keep him around to solidify their bullpen in 2012, however if he is made available he would likely have multiple suitors for his services in the mid-to-late innings of meaningful pennant race games.